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Finding the Third Proportional to 472 and 674.50

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Solution

The third proportional to 472 and 674.50 is: 963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    472 : 674.50 = 674.50 : x
  2. Step 2: Convert to fraction form
    472/674.50 = 674.50/x
  3. Step 3: Cross multiply
    472x = 674.50 × 674.50
  4. Step 4: Simplify right side
    472x = 454,950.25
  5. Step 5: Solve for x
    x = 454,950.25/472
  6. Step 6: Final answer
    x = 963.88

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.